Classifications

• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
  • A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
  • A01N43/38—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings condensed with carbocyclic rings
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
  • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
  • A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
  • A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
  • A01N43/78—1,3-Thiazoles; Hydrogenated 1,3-thiazoles
• • A—HUMAN NECESSITIES
  • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
  • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
  • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
  • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
  • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
  • A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products

Definitions

• Present invention relates to the technical field of agrochemicals and methods used in agriculture for plant growth regulation.
• the present invention relates to a new class of plant growth regulators for the treatment of plants in order to induce growth regulating responses which result in superior growth of treated plants, certain parts of the plants or, more generally, crop yield.
• Plant growth regulators are compounds which possess activity in one or more growth regulation process(es) of a plant. Plant growth regulation is distinguished here from pesticidal action or growth reduction, sometimes also defined as a plant growth regulation, the intention of which, however, is to destroy or stunt the growth of a plant. Plant growth regulators can be either beneficial to the plant but sometimes can be used for weed control or to induce defoliation - like synthetic auxins 2,4-D and 2,4,5-T do.
• the compounds used in the practice of this invention are used in amounts which are non- phytotoxic with respect to the plant being treated but which stimulate the growth of the plant or certain parts thereof. Therefore, such compounds may also be called “plant stimulants”, their action may be called as “plant growth stimulation”.
• Plant growth regulation is a desirable way to improve plants and their cropping so as to obtain improved plant growth and better conditions of agriculture practice compared to non-treated plants.
• This kind of molecules can either inhibit or promote cellular activities.
• plant growth regulators identified in plants most often regulate division, elongation and differentiation of plant cells in a way that, most often, they have multiple effects in plants.
• the trigger event can be seen to be different in plants in comparison to the one known from animals.
• plant growth regulators may work by affecting membrane properties, controlling gene expression or affecting enzyme activity or being active in a combination of at least two of the before mentioned types of interaction.
• Plant growth regulators are chemicals either of natural origin, also called plant hormones (like non-peptide hormones e.g.
• auxins giberrellins, cytokinins, ethylene, brassinosteroids or abscisic acid, and salicilic acid
• lipooligosaccharides e.g. Nod factors
• peptides e.g. systemin
• fatty acid derivatives e.g. jasmonates
• oligosaccharins for review see: Biochemistry & Molecular Biology of the Plant (2000); eds. Buchanan, Gruissem, Jones, pp. 558-562; and 850-929) , or they can be synthetically produced compounds (like derivatives of naturally occurring plant growth hormones, ethephon).
• Plant growth regulators which work at very small concentrations can be found in many cells and tissues, but they seem to be concentrated in meristems and buds. Beside the selection of the right compound it is also relevant to look for the optimal environmental conditions because there are several factors known that may affect the action of growth hormones, like (a) the concentration of the plant growth regulator itself, (b) the quantity applied to the plant, (c) the time of application in relation to flowering date, (d) temperature and humidity prior to and after treatment, (e) plant moisture content, and several others.
• the mode of action of existing plant growth regulators often is not known.
• Various targets are discussed and among those, most of the affected molecules are involved in cell division regulation, like arresting the cell cycle in stage G1 or G2, respectively, others for signaling drought stress responses (Biochemistry & Molecular Biology of the Plant (2000); eds. Buchanan, Gruissem, Jones, pp. 558-560).
• the hormone control can be identified as an extremely complex cascade of up and down regulations which, for example, can lead to a growth stimulation of one organ or cell typus of a plant but also can lead to a repression in other organs or cell typus of the same plant.
• kinases are involved either directly or indirectly in plant hormone control and among the kinases, protein kinases are central and highly specific control molecules in respect to cell cycle control. Such kinases are discussed as targets for several plant hormones, like it is the case for auxin and abscisic acid (Biochemistry & Molecular Biology of the Plant (2000); eds. Buchanan, Gruissem, Jones, pp. 542-565 and pp. 980-985; Morgan (1997), Annu. Rev. Cell. Dev. Biol., 13, 261-291 ; Amon et al. (1993), Cell,74, pp. 993-1007; Dynlacht et al. (1997), Nature, 389. pp. 149-152; Hunt and Nasmyth (1997), Curr. Opin. Cell. Biol., 9, pp. 765-767; Thomas and Hall (1997), Curr. Opin. Cell Biol., 9, pp. 782-787).
• WO 00/61555 teaches that Indigo naturalis are used as haemostatic, anti-pyretic, anti-inflammatory and sedative agent in the treatment of bacterial and viral infections. Furthermore, WO 00/61555 discloses antileukemic effects concerning the Indigo naturalis and several induribin derivatives as well as antitumor effects of certain indigo, isoindigo and indirubin derivatives.
• WO 02/100401 , WO 02/074742, WO 02/44184 disclose certain indirubin derivatives which may act as Cdk (cyclin dependent kinase) inhibitors making them useful as a drug like for treating cancer, autoimmune diseases, multiple sclerosis, cardiovascular diseases, several infectious diseases, and neurodegenerative diseases.
• WO 02/20479 discloses certain substituted oxindole derivatives which may be useful in cancer therapy and chronic pain indications via their activity as tyrosine kinase inhibitors.
• WO 01/56384 describes the potential application of formulations comprising one or more conjugated indole compounds in order to enhance plant growth, and more especially indole glycosides.
• the present invention relates to the use of a compound for plant growth regulation, preferably by application of the compound to plants, to seeds from which they grow or to the locus in which they grow, in an effective plant growth regulating amount, preferably non-phytotoxic amount, which compound is an indolinone derivative of formula (I) or an agriculturally acceptable salt thereof:
• R 1 and R 3 are each independently H, halogen, hydroxy, amino, nitro, formyl, carboxy, cyano, aminocarbonyl, (C- ⁇ -C 6 )alkoxy, (C ⁇ -C 6 )haloalkoxy, (C-rC ⁇ Jalkyl- S(0) n> (C C 6 )haloalkyl-S(0)n, (C C 6 )alkylamino, di[(C C 6 )alkyl]amino, (C ⁇ -C 6 )alkylcarbonyl, [(CrC ⁇ JalkoxyJ-carbonyl, (CrC 6 )alkylaminocarbonyl, di[(CrC 6 )alkyl]aminocarbonyl, N-(CrC 6 )alkanoylamino, N-(C 1 -C 6 )alkanoyl-N-(CrC 6 )alkylamino, sulfamoyl, N-(C
• the invention also encompasses the use of any stereoisomer, enantiomer, geometric isomer or tautomer, and mixtures of the compounds of formula (I).
• agriculturally acceptable salts is meant salts the anions or cations of which are known and accepted in the art for the formation of salts for agricultural use.
• Suitable salts with bases include alkali metal (e.g. sodium and potassium), alkaline earth metal (e.g. calcium and magnesium) and ammonium salts.
• the ammonium salts include ammonium (NH + ) and ammonium salts of organic amines, (e.g. the diethanolamine, triethanolamine, octylamine, morpholine and dioctylmethylamine salts), and quaternary ammonium salts (NR + ) for example tetramethylammonium saltes.
• Suitable acid addition salts e.g. formed by compounds of formula (I) containing an amino group, include salts with inorganic acids, for example hydrochlorides, sulphates, phosphates and nitrates and salts with organic acids for example acetic acid.
• radicals alkyl, alkoxy, haloalkyl, haloalkoxy, alkylamino and alkylthio and the corresponding unsaturated and/or substituted radicals can be in each case straight-chain or branched in the carbon skeleton.
• the lower carbon skeletons for example those having 1 to 6 carbon atoms or, in the case of unsaturated groups, 2 to 6 carbon atoms, are preferred for these radicals.
• Halogen means fluorine, chlorine, bromine or iodine.
• halo before the name of a radical means that this radical is partially or completely halogenated, that is to say, substituted by F, Cl, Br, or I, in any combination.
• (CrC 6 )alkyl means an unbranched or branched non-cyclic saturated hydrocarbon radical having 1 , 2, 3, 4, 5 or 6 carbon atoms (indicated by a range of C-atoms in the parenthesis), such as, for example a methyl, ethyl, propyl, isopropyl, 1 -butyl, 2-butyl, 2-methylpropyl or tert-butyl radical.
• alkyl groups in composite radicals such as "alkoxyalkyl”.
• Alkyl radicals and also in composite groups, unless otherwise defined, preferably have 1 to 4 carbon atoms.
• (C ⁇ -C 6 )Haloalkyl means an alkyl group mentioned under the expression
• (C-i-CeJal yl) in which one or more hydrogen atoms are replaced by the same number of identical or different halogen atoms, such as monohaloalkyl, perhaloalkyl,
• (C- ⁇ -C 6 )Alkyl-S(0) n means (C ⁇ -C 6 )alkylthio, alkylsulfinyl or alkylsulfonyl group, for example methylthio, methylsulfinyl or methylsulfonyl.
• (CrC ⁇ JAIkoxy) means an alkoxy group whose carbon chain has the meaning given under the expression "(Ci-C ⁇ jalkyl).
• “Haloalkoxy” is, for example, OCF 3 , OCHF 2 ,
• (CrC ⁇ JAIkylcarbonyl” means a (CrC 6 )alkyl group which is attached to a carbonyl group.
• (C- ⁇ -C 6 )Alkoxycarbonyl means a (CrC ⁇ Jalkoxy group which is attached to a carbonyl group.
• (C 2 -C 6 )Alkenyl means an unbranched or branched non-cyclic carbon chain having a number of carbon atoms which corresponds to this stated range and which contains at least one double bond which can be located in any position of the respective unsaturated radical.
• (C 2 -C 6 )Alkenyl accordingly denotes, for example, the vinyl, allyl, 2-methyl-2-propenyl, 2-butenyl, pentenyl, 2-methylpentenyl or the hexenyl group.
• (C 2 -C 6 )Alkynyl means an unbranched or branched non-cyclic carbon chain having a number of carbon atoms which corresponds to this stated range and which contains one triple bond which can be located in any position of the respective unsaturated radical.
• “(C 2 -C 6 )Alkynyl” accordingly denotes, for example, the propargyl, 1-methyl-2-propynyl, 2-butynyl or 3-butynyl group.
• (C 3 -C 6 )Cycloalkyl denotes monocyclic alkyl radicals, such as the cyclopropyl, cyclobutyl, cyclopentyl or cyclohexyl radical.
• a "heteroaryl” group is a mono-, bi- or polycyclic heteroaromatic ring system in which at least 1 ring contains one or more hetero atoms (preferably 1 , 2 or 3 hetero atoms) selected from the group consisting of N, O and S, and which contains a total of 5 to 14 (preferably 5 to 7) ring atoms wherein at least one ring is fully unsaturated (any further rings being unsaturated, or partially or fully hydrogenated).
• the heteroaryl group is for example pyridyl, pyrimidinyl, pyridazinyl, pyrazinyl, triazinyl, thienyl, thiazolyl, thiadiazolyl, oxazolyl, isoxazolyl, furyl, pyrrolyl, pyrazolyl, imidazolyl, triazolyl, benzothienyl, benzofuranyl, indolyl, isothiazolyl, benzotriazolyl, benzisoxazolyl, isoindolyl, benzoxazolyl, benzimidazolyl, quinolyl, tetrahydroquinolyl, isoquinolyl, dihydroindolyl, benzo[1 ,4]dioxanyl or 6,7,8,9-tetrahydropyrido[1 ,2- ajindolyl.
• the "heteroaryl” group may be unsubstituted or substituted, preferably by one or more radicals (preferably 1 , 2 or 3 radicals) selected from the group consisting of halogen, alkoxy, haloaikoxy, alkylthio, haloalkylthio, hydroxy, amino, nitro, carboxy, cyano, alkoxycarbonyl, alkylcarbonyl, formyl, carbamoyl, mono- and dialkylaminocarbonyl, substituted amino such as acylamino, mono- and dialkylamino, and alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, alkyl, haloalkyl and oxo.
• the oxo group can also be present at those hetero ring atoms where various oxidation numbers are possible, for example in the case of N and S.
• heterocyclyl radical can be saturated, unsaturated or heteroaromatic; it preferably contains one or more, in particular 1 , 2 or 3, hetero atoms in the heterocyclic ring, preferably selected from the group consisting of N, O and S; it is preferably an aliphatic heterocyclyl radical having 3 to 7 ring atoms or a heteroaromatic radical having 5 or 6 ring atoms.
• Suitable substituents for a substituted heterocyclic radical are the substituents stated further below, and additionally also oxo.
• the oxo group can also be present at those hetero ring atoms where various oxidation numbers are possible, for example in the case of N and S.
• Substituted radicals such as a substituted alkyl, alkenyl, alkynyl, aryl, phenyl, benzyl, heterocyclyl and heteroaryl radical are, for example, a substituted radical which is derived from the unsubstituted skeleton, the substituents being, for example, one or more, preferably 1 , 2 or 3, radicals selected from the group consisting of halogen, alkoxy, haloaikoxy, alkylthio, hydroxyl, amino, nitro, carboxyl, cyano, azido, alkoxycarbonyl, alkylcarbonyl, formyl, carbamoyl, mono- and dialkylaminocarbonyl, substituted amino such as acylamino, mono- and dialkylamino, and alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl and,
• radicals selected from the group consisting of in the definition are to be understood as meaning in each case one or more identical or different radicals selected from the stated group of radicals, unless specific limitations are defined expressly.
• substituted radicals such as substituted alkyl and the like includes, in addition to the saturated hydrocarbon-containing radicals stated, corresponding unsaturated aliphatic and aromatic radicals such as unsubstituted or substituted alkenyl, alkynyl, alkenyloxy, alkynyloxy, phenyl, phenoxy and the like, as substituents.
• substituted cyclic radicals with aliphatic moieties in the ring also encompasses cyclic systems with those substituents which are bonded to the ring by a double bond, for example which are substituted by an alkylidene group such as methylidene or ethylidene.
• radicals with carbon atoms those having 1 to 4 carbon atoms, in particular 1 or 2 carbon atoms, are preferred.
• Substituents which are preferred are, as a rule, those selected from the group consisting of halogen, e.g. fluorine and chlorine, (CrC ⁇ alkyl, preferably methyl or ethyl, (CrC 4 )haloalkyl, preferably trifluoromethyl, (C C )alkoxy, preferably methoxy or ethoxy, (C ⁇ -C 4 )haloalkoxy, nitro and cyano.
• halogen e.g. fluorine and chlorine
• R 1 and R 3 are each independently H, halogen, hydroxy, amino, nitro, formyl, carboxy, cyano, aminocarbonyl, (C ⁇ -C 3 )alkoxy, (C- ⁇ -C 3 )haloalkoxy, (C C 3 )alkyl-S(0)n, (C C 3 )haloalkyl-S(0)n, (C C 3 )alkylamino, di[(C ⁇ -C 3 )alkyl]amino, (CrC 3 )alkylcarbonyl, [(C ⁇ -C 3 )alkoxy]carbonyl, (C ⁇ -C 3 )alkylaminocarbonyl, di[(C ⁇ -C 3 )alkyl]aminocarbonyl, N-(C
• R 2 is phenyl or heteroaryl, which groups are unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, hydroxy, amino, nitro, carboxy, cyano, (CrC 3 )alkyl, (CrC 3 )haloalkyl, (C C 3 )alkoxy, (d-C 3 )haloalkoxy, (C C 3 )alkyl-S(0) n , (C ⁇ -C 3 )haloalkyl-S(0) ⁇ , (CrC 3 )alkylamino, di[(C ⁇ -C 3 )alkyl]amino, (CrC 3 )alkylcarbonyl, (CrC 3 )alkoxycarbonyl, sulfamoyl, (CrC ⁇ Jalkylsulfonylamino, (C ⁇ -C 6 )alkylaminosulfonylmethyl, S0 2 NHR 5 and
• R 4 is phenyl unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, (C ⁇ -C 3 )alkyl, (CrC 3 )haloalkyl, (C ⁇ -C 3 )alkoxy and (C C 3 )alkyl-S(0) n .
• R 5 is phenyl, or heteroaryl, which rings are unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, hydroxy, amino, nitro, carboxy, cyano, (C- ⁇ -C 3 )alkyl, (CrC 3 )haloalkyl, (C ⁇ -C 3 )alkoxy, (C C 3 )haloalkoxy, (CrC 3 )alkyl-S(0) n , (Ci-C 3 )haloalkyl-S(0) n and in the case of heteroaryl also oxo, wherein heteroaryl is a monocyclic 5 to 7 membered heteroaromatic ring which contains from 1 to 3 hetero atoms selected from the group consisting of N, O and S.
• a preferred class of compounds of formula (I) for use in the invention are those in which:
• W is NOH, NO-(C C 3 )alkyl or NO-CH 2 C0 2 -(C C 3 )alkyl;
• R 1 and R 3 are each independently H, halogen, hydroxy, amino, nitro, formyl, carboxy, cyano, aminocarbonyl, (CrC 3 )alkoxy, (C C 3 )haloalkoxy, (C- ⁇ -C 3 )alkyl- S(0) n , (C C 3 )haloalkyl-S(0)n, (C C 3 )alkylamino, di[(C ⁇ -C 3 )alkyl]amino, (CrC 3 )alkylcarbonyl, (C ⁇ -C 3 )alkoxycarbonyl, (CrC 3 )alkylaminocarbonyl, N-(C ⁇ -C 3 )alkanoylamino, N-(C 1 -C 3 )alkanoyl
• R 2 is phenyl or heteroaryl, which groups are unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, hydroxy, amino, nitro, carboxy, cyano, (C C 3 )alkyl, (C C 3 )haloalkyl, (C C 3 )alkoxy, (C C 3 )haloalkoxy, (CrC 3 )alkyl-S(0) n , (Ci-C 3 )haloalkyl-S(0) n , (C C 3 )alkylamino, di[(C ⁇ -C 3 )alkyl]amino,
• R 4 is phenyl unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, (CrC 3 )alkyl, (CrC 3 )haloalkyl, (C ⁇ -C 3 )alkoxy and (C C 3 )alkyl-S(0) n ;
• R 5 is phenyl, or heteroaryl, which rings are unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, hydroxy, amino, nitro, carboxy, cyano, (C- ⁇ -C 3 )alkyl, (CrC 3 )haloalkyl, (C- ⁇ -C 3 )alkoxy, (CrC 3 )haloalkoxy, (Ci-C 3 )alkyl-S(0)n, (Ci-C )haloalkyl-S(0) n and in the case of heteroaryl also oxo, wherein heteroaryl is a monocyclic
• a further preferred class of compounds of formula (I) for use in the invention are those in which:
• W is NOH, NO-(C C 3 )alkyl or NO-CH 2 C0 2 -(CrC 3 )alkyl;
• R 1 and R 3 are each independently H, halogen, nitro, cyano, (C ⁇ -C 3 )alkoxy,
• R 2 is phenyl unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, nitro, cyano, (C C 3 )alkyl, (C- ⁇ -C 3 )haloalkyl,
• W is NOH or NO-(C C 3 )alkyl
• R 1 is H, halogen or nitro
• R 2 is phenyl unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, (C ⁇ -C- 3 )alkyl, (CrC 3 )haloalkyl, nitro and sulfamoyl; or is pyridyl, pyrazolyl or benzthiazolyl which last 3 mentioned rings are unsubstituted or substituted by one or more radicals selected from the group consisting of halogen, nitro, (C ⁇ -C 3 )alkyl and (CrC ⁇ haloalkyl; m means m radicals R 1 wherein each independently from each other are same or different; and R 3 is H.
• reaction is preferably performed using an acid addition salt of the hydrazine compound, for example the hydrochloride salt, in the presence of a base, for example an alkali metal acetate such as sodium acetate, in an inert solvent such as acetic acid or ethanol, at a temperature of from 20°C to 100°C.
• a base for example an alkali metal acetate such as sodium acetate
• an inert solvent such as acetic acid or ethanol
• compounds of formula (I) wherein X is a formula (A) and W, (R 1 ) m and (R 3 ) 0 are as defined above, may be prepared by the reaction of a compound of formula (V):
• a base for example an alkali metal hydroxide such as potassium hydroxide
• compounds of formula (I) wherein X is a formula (A), W is NO-(CrC 6 )alkyl and (R 1 ) m and (R 3 ) 0 are as defined above, may also be prepared by the reaction of the corresponding compound of formula (I) wherein X is a formula (A) and W is NOH, with an alkylating agent of formula (IX) or (X):
• R a is (C ⁇ -C 6 )alkyl and Y is a leaving group, preferably a halogen atom, more preferably chlorine, bromine or iodine.
• a compound of formula (IX) is used as the alkylating agent, the reaction is performed in the presence of a base, such as an alkali metal hydroxide for example potassium hydroxide, in an inert solvent such as ethanol, at a temperature of from 20°C to 100°C.
• the reaction is preferably performed in the presence of a base, such as an alkali metal carbonate for example potassium carbonate, or an organic base such as pyridine or a trialkylamine for example triethylamine, in an inert solvent such as acetonitrile or tetrahydrofuran, at a temperature of from 20°C to 100°C.
• a base such as an alkali metal carbonate for example potassium carbonate, or an organic base such as pyridine or a trialkylamine for example triethylamine
• an inert solvent such as acetonitrile or tetrahydrofuran
• reaction is generally performed in the presence of a base, such as an alkali metal carbonate or bicarbonate, for example sodium carbonate or sodium bicarbonate, in an inert solvent such as methanol, at a temperature of from 20°C to 60°C, for example as described by Russel and Kaupp in J.A.C.S. 91, 3851 (1969).
• a base such as an alkali metal carbonate or bicarbonate, for example sodium carbonate or sodium bicarbonate
• an inert solvent such as methanol
• a collection of compounds of formula (I) which can be synthesized by the above- mentioned processes can additionally be prepared in parallel fashion, which can be effected manually, partly automated or fully automated.
• solid-phase supported synthesis methods permits a series of protocols known from the literature which, in turn, can be carried out manually or in an automated fashion.
• the "teabag method” Houghten, US 4,631 ,211 ; Houghten et al., Proc. Natl. Acad. Sci., 1985, 82, 5131 - 5135
• Solid-phase supported parallel synthesis can be automated successfully for example using equipment by Argonaut Technologies, Inc., 887 Industrial Road, San Carlos, CA 94070, USA or MultiSynTech GmbH, Wuilener Feld 4, 58454 Witten, Germany.
• 5-Fluoroisatin (0.1 g, 0.6 mmol) was heated under reflux under argon together with 4-hydrazinobenzenesulfonamide hydrochloride (0.149 g, 0.8 mmol) and sodium acetate (0.055 g, 0.6 mmol) in ethanol (7 ml).
• 5-lodoindirubin (0.5 g, 1.2 mmol) was heated at reflux under argon together with hydroxylamine hydrochloride (0.254 g, 3.6 mmol) and potassium hydroxide (17.3 mmol, 1.02 g, 14.5 eq) in ethanol (20 ml). After 3 hours the reaction mixture was poured into water (100 ml) and acetic acid added (7 ml).
• 5-lodoindirubin-3 ' -oxime (0.140 g, 0.5 mmol) and potassium hydroxide (0.126 g,
• 5-Bromoindirubin-3 ' -oxime (0.140 g, 0.4 mmol) and potassium hydroxide (0.143 g, 2 mmol) were stirred in ethanol (10 ml) for 0.5 hour. Diethyl sulfate (0.55 ml, 34.1 mmol) was then added in one portion, and the mixture stirred for 2 hours.
• Me means methyl
• Et means ethyl
• Ph means phenyl
• Dec means the compound decomposes before the melting point.
• Rf means retention time determined from thin layer chromatography on silica gel using the solvent systems indicated below the tables.
• Another aspect of the invention is a method for plant growth regulation which plants are monocotyledoneous or dicotyledoneous crop plants, or parts thereof, preferably selected from the group of economically important field crops such as, for example wheat, barley, rye, triticale, rice, maize, sugar beet, cotton, or soybeans, particularly maize, wheat, and soybean, as well as vegetables and ornamentals, said method comprising applying to said plants, to the seeds from which they grow or to the locus in which they grow, a non-phytotoxic, effective plant growth regulating amount of one or more compounds of formula (I), optionally in mixture with carriers and/or surfactants, and further optionally in mixture with a further active compound selected from the group consisting of acaricides, fungicides, herbicides, insecticides, nematicides or plant growth regulating substances not identical to compounds defined by formula (I).
• acaricides fungicides, herbicides, insecticides, nematicides or plant growth regulating substances not identical to
• Aldimorph Aldimorph; Amidoflumet; Ampropylfos; Ampropylfos-potassium; Andoprim; Anilazine; Azaconazole; Azoxystrobin; Benalaxyl; Benodanil; Benomyl; Benthiavalicarb- isopropyl; Benzamacril; Benzamacril-isobutyl; Bilanafos; Binapacryl; Biphenyl;
• Bitertanol Bitertanol; Blasticidin-S; Boscalid; Bromuconazole; Bupirimate; Buthiobate;
• Butylamine Calcium polysulfide; Capsimycin; Captafol; Captan; Carbendazim;
• Carboxin Carpropamid; Carvone; Chinomethionat; Chlobenthiazone; Chlorfenazole; Chloroneb; Chlorothalonil; Chlozolinate; cis-1-(4-chlorophenyl)-2-(1 H-1 ,2,4-triazole-
• Cyproconazole Cyprodinil; Cyprofuram; Dagger G; Debacarb; Dichlofluanid;
• Difenoconazole Diflumetorim; Dimethirimol; Dimethomorph; Dimoxystrobin; Diniconazole; Diniconazole-M; Dinocap; Diphenylamine; Dipyrithione; Ditalimfos;
• Etridiazole Famoxadone; Fenamidone; Fenapanil; Fenarimol; Fenbuconazole;
• Fenpropimorph Ferbam; Fluazinam; Flubenzimine; Fludioxonil; Flumetover; Flumorph; Fluoromide; Fluoxastrobin; Fluquinconazole; Flurprimidol; Flusilazole;
• Flusulfamide Flutolanil; Flutriafol; Folpet; Fosetyl-AI; Fosetyl-sodium; Fuberidazole;
• Furalaxyl Furametpyr; Furcarbanil; Furmecyclox; Guazatine; Hexachlorobenzene; Hexaconazole; Hymexazol; Imazalil; Imibenconazole; Iminoctadine triacetate;
• Iprovalicarb Irumamycin; Isoprothiolane; Isovaledione; Kasugamycin; Kresoxim- methyl; Mancozeb; Maneb; Meferimzone; Mepanipyrim; Mepronil; Metalaxyl; Metalaxyl-M; Metconazole; Methasulfocarb; Methfuroxam; methyl 1-(2,3-dihydro-2,2- dimethyl-1 H-inden-1-yl)-1 H-imidazole-5-carboxylate; Methyl 2-[[[cyclopropyl[(4- methoxyphenyl)imino]methyl]thio]methyl]-.alpha.-(methoxymethylene)- benzeneacetate; Methyl 2-[2-[3-(4-chloro-phenyl)-1-methyl- allylideneaminooxymethyl]-phenyl]-3-methoxy-acrylate; Metiram; Metominostrobin;
• Prothioconazole Pyraclostrobin; Pyrazophos; Pyrifenox; Pyrimethanil; Pyroquilon; Pyroxyfur; Pyrrolnitrine; Quinconazole; Quinoxyfen; Quintozene; Silthiofam;
• Tecloftalam Tecloftalam; Tecnazene; Tetcyclacis; Tetraconazole; Thiabendazole; Thicyofen;
• Tolylfluanid Triadimefon; Triadimenol; Triazbutil; Triazoxide; Tricyclamide; Tricyclazole; Tridemorph; Trifloxystrobin; Triflumizole; Triforine; Triticonazole;
• Allethrin (d-cis-trans, d-trans), Beta-Cyfluthrin, Bifenthrin, Bioallethrin, Bioallethrin-S- cyclopentyl-isomer, Bioethanomethrin, Biopermethrin, Bioresmethrin, Chlovaporthrin, Cis-Cypermethrin, Cis-Resmethrin, Cis-Permethrin, Clocythrin, Cycloprothrin, Cyfluthrin, Cyhalothrin, Cypermethrin (alpha-, beta-, theta-, zeta-), Cyphenothrin, Deltamethrin, Empenthrin (1 R-isomer), Esfenvalerate, Etofenprox, Fenfluthrin,
• Thiacloprid Thiamethoxam, Nicotine, Bensultap, Cartap, Camphechlor, Chlordane, Endosulfan, Gamma-HCH, HCH, Heptachlor, Lindane, Methoxychlor Spinosad, Acetoprole, Ethiprole, Fipronil, Vaniliprole, Avermectin, Emamectin, Emamectin- benzoate, Ivermectin, Milbemycin, Diofenolan, Epofenonane, Fenoxycarb, Hydroprene, Kinoprene, Methoprene, Pyriproxifen, Triprene, Chromafenozide, Halofenozide, Methoxyfenozide, Tebufenozide, Bistrifluron, Chlofluazuron, Diflubenzuron, Fluazuron, Flucycloxuron, Flufenoxuron, Hexaflumuron, Luf
• Another aspect of the invention is a method for growth regulation in plant tissue cultures of monocotyledoneous or dicotyledoneous plants said method comprising applying to plant tissue cultures an appropriate amount of a compound having the formula (I) either alone or together with at least one further active compound selected from the group of plant growth regulators or plant hormones.
• the compounds of formula (I) can preferably be employed as plant growth regulators in crops of useful monocotyledoneous or dicotyledoneous crop plants, preferably selected from the group of economically important field crops such as, for example wheat, barley, rye, triticale, rice, maize, sugar beet, cotton, or soybeans, particularly maize, wheat, and soybeann, as well as vegetables and ornamentals, that have been modified thus by means of genetic engineering.
• economically important field crops such as, for example wheat, barley, rye, triticale, rice, maize, sugar beet, cotton, or soybeans, particularly maize, wheat, and soybeann, as well as vegetables and ornamentals, that have been modified thus by means of genetic engineering.
• nucleic acid molecules may be introduced into plasmids which allow mutagenesis or a sequence change by means of recombination of DNA sequences. It is possible, for example, with the aid of the abovementioned standard methods to perform base exchanges, to remove subsequences or to add natural or synthetic sequences.
• adaptors or linkers may be attached to the fragments.
• plant cells with a reduced activity of a gene product can be generated by expressing at least one corresponding antisense RNA, a sense RNA to achieve a cosuppressory effect or by expressing at least one ribozyme of suitable construction which specifically cleaves transcripts of the abovementioned gene product.
• DNA molecules which encompass the entire coding sequence of a gene product inclusive of any flanking sequences which may be present on the other hand DNA molecules which only encompass parts of the coding sequence, but these parts must be long enough in order to effect, in the cells, an antisense effect.
• Use may also be made of DNA sequences which show a high degree of homology to the coding sequences of a gene product, but which are not completely identicaf.
• the protein which has been synthesized may be located in any desired compartment of the plant cell.
• sequences are known to the skilled worker (see, for example, Braun et al., EMBO J. 11 (1992), 3219-3227; Wolter et al., Proc Natl. Acad. Sci. USA 85 (1988), 846-850; Sonnewald et al., Plant J. 1 (1991 ), 95-106).
• the transgenic plant cells may be regenerated by known techniques to give complete plants.
• the transgenic plants can be plants of any desired plant species, that is to say monocotyledonous and also dicotyledonous plants.
• the compounds of formula (I) can preferably be employed in transgenic crops which are resistant to herbicides from the group of the sulfonylureas, glufosinate- ammonium or glyphosate-isopropylammonium and analogous active substances or in analogous showing altered phenotypes, like but not limited to features as for content modification, altered flowering time, male or female sterile plants, environmentally resistant plants due to expression or repression of endogenous or exogeneous genes in the transgenic crop.
• the use according to the invention for plant growth regulation also includes the case where the compounds of formula (I) are only formed in the plant or the soil from a precursor ("prod rug") after its application to the plant.
• the compounds of formula (I) can be employed in the conventional preparations as wettable powders, emulsifiable concentrates, sprayable solutions, dusts or granules.
• the invention therefore also relates to plant growth regulating compositions which comprise compounds of formula (I).
• a plant growth regulating composition preferably comprising an effective amount of a compound of formula (I) as defined above or an agriculturally acceptable salt thereof, and further auxiliary formulations, like but not limited to surface active ingredients or other active ingredients that are compatible with compounds of the invention.
• growth regulating composition is used in a broad sense to include not only compositions which are ready for use as growth regulators but also concentrates which must be diluted before use (including tank mixtures).
• the compounds of formula (I) can be formulated in various ways, depending on the prevailing biological and/or chemico-physical parameters.
• examples of possible formulations which are suitable are: wettable powders (WP), water-soluble powders (SP), water-soluble concentrates, emulsifiable concentrates (EC), emulsions (EW) such as oil-in-water and water-in-oil emulsions, sprayable solutions, suspension concentrates (SC), dispersions on an oil or water basis, solutions which are miscible with oil, capsule suspensions (CS), dusts (DP), seed-dressing products, granules for broadcasting and soil application, granules (GR) in the form of microgranules, spray granules, coated granules and adsorption granules, water-dispersible granules (WG), water-soluble granules (SG), ULV formulations, microcapsules and waxes.
• WP wettable powders
• pesticidally active substances such as, for example, insecticides, acaricides, herbicides, fungicides, and with safeners, fertilizers and/or growth regulators, for example in the form of a readymix or a tank mix.
• Wettable powders are preparations which are uniformly dispersible in water and which, besides the compounds of formula (I), also comprise ionic and/or nonionic surfactants (wetters, dispersants), for example, polyoxyethylated alkylphenols, polyoxyethylated fatty alcohols, polyoxyethylated fatty amines, fatty alcohol polyglycol ether sulfates, alkanesulfonates or alkylbenzenesulfonat.es, sodium lignosulfonate, sodium 2,2'-dinaphthylmethane-6,6'-disulfonate, sodium dibutylnaphthalenesulfonate or else sodium oleoylmethyltaurinate, in addition to a diluent or inert substance.
• ionic and/or nonionic surfactants for example, polyoxyethylated alkylphenols, polyoxyethylated fatty alcohols,
• the compounds of formula (I) are, for example, ground finely in conventional apparatuses such as hammer mills, blower mills and air-jet mills and mixed with the formulation auxiliaries, either concomitantly or thereafter.
• Emulsifiable concentrates are prepared, for example, by dissolving the compounds of formula (I) in an organic solvent, for example butanol, cyclohexanone, dimethylformamide, xylene or else higher-boiling aromatics or hydrocarbons or mixtures of these, with addition of one or more ionic and/or nonionic surfactants (emulsifiers).
• organic solvent for example butanol, cyclohexanone, dimethylformamide, xylene or else higher-boiling aromatics or hydrocarbons or mixtures of these.
• Emulsifiers which can be used are, for example: calcium salts of alkylarylsulfonic acids, such as calcium dodecylbenzenesulfonate or nonionic emulsifiers, such as fatty acid polyglycol esters, alkylaryl polyglycol ethers, fatty alcohol polyglycol ethers, propylene oxide/ethylene oxide condensates, alkyl polyethers, sorbitan esters such as sorbitan fatty acid esters or polyoxyethylene sorbitan esters such as polyoxyethylene sorbitan fatty acid esters. Dusts are obtained by grinding the active substance with finely divided solid substances, for example talc or natural clays, such as kaolin, bentonite or pyrophyllite, or diatomaceous earth.
• alkylarylsulfonic acids such as calcium dodecylbenzenesulfonate or nonionic emulsifiers, such as fatty acid polyglycol esters, alky
• Suspension concentrates may be water- or oil-based. They can be prepared, for example, by wet grinding by means of commercially available bead mills, if appropriate with addition of surfactants, as they have already been mentioned above for example in the case of the other formulation types.
• Emulsions for example ⁇ il-in-water emulsions (EW), can be prepared for example by means of stirrers, colloid mills and/or static mixtures using aqueous organic solvents and, if appropriate, surfactants as they have already been mentioned above for example in the case of the other formulation types.
• EW ⁇ il-in-water emulsions
• Granules can be prepared either by spraying the compounds of formula (I) onto adsorptive, granulated inert material or by applying active substance concentrates onto the surface of carriers such as sand, kaolinites or of granulated inert material, by means of binders, for example polyvinyl alcohol, sodium polyacrylate or alternatively mineral oils. Suitable active substances can also be granulated in the manner which is conventional for the production of fertilizer granules, if desired in a mixture with fertilizers.
• Water-dispersible granules are prepared, as a rule, by the customary processes such as spray-drying, fluidized-bed granulation, disk granulation, mixing in high- speed mixers and extrusion without solid inert material.
• spray-drying fluidized-bed granulation
• disk granulation mixing in high- speed mixers and extrusion without solid inert material.
• spray-drying fluidized-bed granulation
• disk granulation mixing in high- speed mixers and extrusion without solid inert material.
• spray granules see, for example, processes in "Spray-Drying Handbook” 3rd ed. 1979, G. Goodwin Ltd., London; J.E. Browning, "Agglomeration”, Chemical and Engineering 1967, pages 147 et seq.; "Perry's Chemical Engineer's Handbook", 5th Ed., McGraw-Hill, New York 1973, p. 8-57.
• the agrochemical preparations comprise 0.1 to 99% by weight, in particular 0.1 to 95% by weight, of compounds of formula (I).
• the concentration of compounds of formula (I) in wettable powders is, for example, approximately 10 to 90% by weight, the remainder to 100% by weight being composed of customary formulation components. In the case of emulsifiable concentrates, the concentration of compounds of formula (I) can amount to approximately 1 to 90, preferably 5 to 80% by weight.
• Formulations in the form of dusts usually comprise 1 to 30% by weight of compounds of formula (I), preferably in most cases 5 to 20% by weight of compounds of formula (I), while sprayable solutions comprise approximately 0.05 to 80, preferably 2 to 50% by weight of compounds of formula (I).
• the content of compounds of formula (I) depends partly on whether the compounds of formula (I) are in liquid or solid form and on which granulation auxiliaries, fillers and the like are being used.
• the water-dispersible granules for example, comprise between 1 and 95% by weight of active substance, preferably between 10 and 80% by weight.
• formulations of compounds of formula (I) mentioned comprise, if appropriate, the adhesives, wetters, dispersants, emulsifiers, penetrants, preservatives, antifreeze agents, solvents, fillers, carriers, colorants, antifoams, evaporation inhibitors, pH regulators and viscosity regulators which are conventional in each case.
• Suitable formulations for plant growth regulating compositions are known. A description of suitable formulations which may be used analogously in the method of the invention can be found in international patent publications WO 87/3781 , WO 93/6089, and WO 94/21606 as well as in European patent application EP 295117, and US Patent 5,232,940. Formulations or compositions for plant growth regulating uses can be made in a similar way, adapting the ingredients, if necessary, to make them more suitable to the plant or soil to which the application is to be made.
• the compounds of the formula (I) or their salts can be employed as such or in the form of their preparations (formulations) as combinations with other pesticidally active substances, such as, for example, insecticides, acaricides, nematicides, herbicides, fungicides, safeners, fertilizers and/or further growth regulators, for example as a premix or as tank mixes.
• pesticidally active substances such as, for example, insecticides, acaricides, nematicides, herbicides, fungicides, safeners, fertilizers and/or further growth regulators, for example as a premix or as tank mixes.
• the term "method for plant growth regulation” or “plant growth regulation” means the achievement of any of the aforementioned nineteen categories of response or any other modification of plant, seed, fruit or vegetable (whether the fruit or vegetable is not harvested or harvested) so long as the net result is to increase growth or benefit any property of the plant, seed, fruit or vegetable as distinguished from any pesticidal action (unless the present invention is practised in conjunction with or in the presence of a pesticide, for example a herbicide).
• the term "fruit” as used in the instant specification is to be understood as meaning anything of economic value that is produced by the plant. Preferably, at least an increase of 10% of one or more of the respective plant growth response is obtained.
• the compounds of formula (I) and most especially compounds 1.1 , 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11 , 1.12, 1.13, 1.14, 1.16, 1.17, 1.18, 1.21 , 1.23, 2.1 , 2.4, 2.6, 2.7 display a significant role concerning plant growth properties, which can be different due to an application at various crops. Differences on plant growth regulating effects may be observed concerning the strength of these effects but may also relate to the quantities needed in order to obtain such growth stimulation effects either concerning to certain plant parts or to the whole plant.
• the indolinone derivatives of formula (I) may be applied for plant growth regulating purposes to the foliage of plants and/or to the soil in which said plants are growing. Applications to the soil are often in the form of granules which are usually applied in sufficient amount to provide a rate of from about 0.001 kg/ha to about 0.5 kg/ha of active ingredient, preferably between 0.01 and 0.1 kg/ha.
• a preferred embodiment of the invention is a method for plant growth regulation comprising applying to the seeds from which said plants grow, prior to said seeds, a non-phytotoxic, effective plant growth regulating amount of a compound having the formula (I).
• the seed may be treated, especially by coating or embedding or impregnation or soaking or dipping in liquid or paste formulations which are known per se and are subsequently dried.
• Seed comprising 2 to 1000 gram of a compound of formula (I) per 100 kg, preferably 5 to 800 g per 100 kg, most preferably 5 to 250 g per 100 kg are particularly appropriate for this purpose.
• the precise amount of indolinone derivatives compound to be used will depend, inter alia, upon the particular plant species being treated.
• a suitable dose may be determined by the man skilled in the art by routine experimentation. The plant response will depend upon the total amount of compound used, as well as the particular plant species which is being treated. Of course, the amount of indolinone derivatives should be non-phytotoxic with respect to the plant being treated.
• the preferred method of application of the compounds used in the process of this invention is directly to the foliage and stems of plants, the compounds can be applied to the soil in which the plants are growing.
• Plant growth regulating effects were determined either by using a protoplast screening assay and/or by using a root growth assay and/or by applying the compounds preselected the before defined assay system under natural growth conditions in field trials. In all cases, untreated protoplasts, plants or plants parts , or seeds were taken as a control.
• the present invention features a so called high throughput assay for a rapid screening of chemical compounds that modulate cell growth.
• the assay in general involves: a) plant protoplasts grown in liquid medium, b) a library of chemical compounds, and c) screening the protoplasts to identify the compounds which affect significantly the cell growth and development.
• the protoplasts were prepared from cell suspensions derived from maize callus.
• the protoplasts were obtained by enzymatic digestion of the cell aggregates in the suspension.
• the cells were digested for 3-6 hours at room temperature in a cellulase-pectolyase mix, Protoplasts were released by gentle shaking, filtered through a 45 ⁇ m mesh and collected by centrifugation. After digestion, the protoplasts were washed several times to remove cell debris and enzyme residues and then re-suspended in culture medium.
• the protoplasts were plated in 50 - 100 ⁇ l aliquots in microtiter wells at a density ranging from 100.000 - 2,000.000 protoplasts per ml, preferably at a concentration of 800.000 protoplasts/ml.
• maize protoplasts were incubated with a library of chemical compounds in 96-well microtiter plates. Following the incubation at 25°C for 1-14 days, preferably 7-10 days, the protein content was measured by Coomassie dye based colorimetric assays. The growth of the cells treated with the chemical compounds involved in the test was detected by comparison with untreated protoplasts.
• Plant roots are a highly proliferative tissue which allows to be seen as a reliable target organ in order to screen for plant growth regulators.
• the results obtained are regarded as an indication for the overall effects on a plant of plant growth regulators identified by such a system.
• this root assay one is enabled to determine the effect of a seed treatment to root growth and/ or germination and/ or changes in habitat of germinated plants in order to identify the possible use as a yield enhancer.
• Two seeds of wheat (T ticum aestivum, variety "TRISO”) or 1 seed of maize (Zea mays, variety "LORENZO”) per hole in a plastic tray which contains an architecture of 8 x 13 holes were placed on compost soil covered with sand.
• the trays were stored in climate chambers with 14 hours lighting at a temperature of 24° C ( ⁇ 2) at daytime and 16° C ( ⁇ 2) at night and relative humidity (rH) of 60% and daily watered. Assessments were done 16 ( ⁇ 2) days post treatment by counting the germinated plants and assessing the phytotoxicity symptoms and percentage. In addition, the roots were washed out and the shoots were cut directly above the seed and the wet roots were placed on dry paper towels for approximately 30 minutes and weighted afterwards. This procedure provides a similar grade of moisture to the roots so that a comparison of the weights is possible.
• Table 4 shows the results of some of the compounds (Cpd) claimed to be effective in plant growth regulation concerning maize.
• the effects observed concerning Root Growth given in column 2 (Root Growth of "100” is set as the standard) are directed to concentrations that are equivalent to 100, 10, 1 g a.i./ha, each.
• Table 4 shows the results of some of the compounds (Cpd) claimed to be effective in plant growth regulation concerning maize.
• the effects observed concerning Root Growth given in column 2 (Root Growth of "100" is set as the standard) are directed to concentrations that are equivalent to 100, 10, 1 g a.i./ha, each.
• Table 5 shows the results of some of the compounds (Cpd) claimed to be effective in plant growth regulation concerning wheat.
• the effects observed concerning Root Growth given in column 2 (Root Growth of "100” is set as the standard) are directed to concentrations that are equivalent to 100, 10, 1 g a.i./ha, each.

Priority Applications (6)

Applications Claiming Priority (2)

Publications (1)

Family

ID=34924975

Family Applications (1)

Country Status (10)

Cited By (12)

Families Citing this family (4)

Citations (5)

Family Cites Families (6)

• 2005
  • 2005-04-30 UA UAA200613158A patent/UA85594C2/ru unknown
  • 2005-04-30 US US11/596,227 patent/US20080227640A1/en not_active Abandoned
  • 2005-04-30 EA EA200602037A patent/EA012602B1/ru not_active IP Right Cessation
  • 2005-04-30 BR BRPI0511057-2A patent/BRPI0511057A/pt not_active IP Right Cessation
  • 2005-04-30 WO PCT/EP2005/004690 patent/WO2005107466A1/en active Application Filing
  • 2005-04-30 EP EP05739427A patent/EP1746887A1/en not_active Withdrawn
  • 2005-04-30 CN CNB2005800149975A patent/CN100569076C/zh not_active Expired - Fee Related
  • 2005-04-30 CA CA002566396A patent/CA2566396A1/en not_active Abandoned
  • 2005-04-30 AU AU2005239814A patent/AU2005239814B2/en not_active Ceased
  • 2005-05-11 AR ARP050101909A patent/AR049273A1/es not_active Application Discontinuation

Patent Citations (5)

Also Published As

Similar Documents

Legal Events